CN104652298B - A kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor - Google Patents
A kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor Download PDFInfo
- Publication number
- CN104652298B CN104652298B CN201510042199.9A CN201510042199A CN104652298B CN 104652298 B CN104652298 B CN 104652298B CN 201510042199 A CN201510042199 A CN 201510042199A CN 104652298 B CN104652298 B CN 104652298B
- Authority
- CN
- China
- Prior art keywords
- box beam
- hoist cable
- transferring
- pier stud
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to bridging toughening field of engineering technology, in particular to a kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor.Including transferring the pier stud at box beam two ends and being symmetricly set in two sets transferring box beam two ends and encorbelment counter force system；Described counter force system of encorbelmenting includes two main outriggers and hoist cable；Two described main outrigger one end are anchored on pier stud, and the other end opens in " eight " word arrangement；Described hoist cable is slidably connected to main outrigger end, and hoist cable one end is connected to transfers dynamical system, and the other end is connected to pocket and hangs the pocket device for hoisting transferring box beam；Described dynamical system of putting is arranged on main outrigger.The present invention adopts the continuous jack that Lifting Capacity is big to carry out lifting and transfers, greatly reduce concrete cutting area, can effectively reduce dismounting cost, there is the features such as safely controllable, good operability, application prospect are good, it is not only suitable for the dismounting of straight line beam bridge, is also adapted to the dismounting of curve bridge.
Description
Technical field
The present invention relates to bridging toughening field of engineering technology, in particular to whole dismounting system and the construction method thereof transferred across box beam supported based on bridge floor.
Background technology
High speed development along with economic society, some bridges are owing to can not meet existing traffic instructions for use or the technology during owing to building in the past, material and management level fall behind, cause that structure goes wrong, it is necessary to remove, realize " complex condition " safety, adapt to, quick, environmental protection, remove box girder bridge economically, there is bigger " decompose, lifting, security control " technical barrier.Conventional method for dismounting has demolition blasting and non-demolition blasting, with regard to existing non-blasting method, good concrete decomposes means and surely belongs to hydraulic cutting segmentation method, the method adapts to maturation, but by suspending the limitation of lower discharge technique in midair, discarded bridge can only be cut into fritter at present, then transfer, so can produce high cutting expense, be unfavorable for saving production.For increasing economic efficiency, concrete-bridge need to cutting into the dismounting unit that volume is bigger as far as possible, thus reducing cutting area, but lifting weight increases, and brings a new difficult problem to hoisting transportation.
Summary of the invention
Present invention aim to solve the deficiency of above-mentioned background technology, it is provided that based on whole dismounting system and the construction method thereof transferred across box beam that bridge floor supports.
The technical scheme is that and a kind of whole transfer dismounting system across box beam based on what bridge floor supported, it is characterised in that: include the pier stud transferring box beam two ends and the counter force system of encorbelmenting being arranged on pier stud；Described counter force system of encorbelmenting includes main outrigger and hoist cable；Described main outrigger one end is anchored on pier stud, and the other end is suspended in outside pier stud, forms, with pier stud, supporting construction of encorbelmenting, and main outrigger end is provided with transfers dynamical system；Described hoist cable one end is connected with transferring dynamical system, and the other end is connected to pocket and hangs the pocket device for hoisting transferring box beam.
The further described main outrigger encorbelmented on counter force system has two, and two main outriggers are arranged in " eight " word arrangement, and one end that spacing distance is little is anchored on pier stud.
Two further described main outrigger upper ends are provided with the pressure anchor beam of direction across bridge；Described pressure anchor beam is anchored on pier stud.
Further described dynamical system of transferring includes being fixed on the continuous jack of main outrigger end；Described continuous jack includes being fixed on the lower jack of main outrigger end and being fixed on the upper jack of lower jack upper end；Described rope end sequentially passes through lower jack and the anchor connection with it of upper jack.
Further described pocket device for hoisting includes shoulder pole girder and is arranged at the levelling device of shoulder pole girder lower surface；Described shoulder pole girder two ends are provided with the first rope hole of hoist cable traverse, and traverse the first rope hole, hoist cable lower end and levelling device and shoulder pole girder form pocket and hang structure.
The first further described rope hole is the length Long Circle through hole more than hoist cable diameter.
Further described levelling device includes the top board being fitted in shoulder pole girder lower surface and the base plate being connected with top board；Between described top board and base plate, the gripper shoe by tilting is connected, and top board and base plate form the supporting construction with slanted angle, top board and be provided with both length Long Circle the second rope hole more than hoist cable diameter opening direction layout along angle through on base plate.
Further also include being arranged between pier stud and hoist cable for supporting the support bracket not cutting beam body below main outrigger.
One is whole transfers Demolition Construction method across box beam, it is characterised in that: comprise the following steps:
1), build support bracket, build support bracket below beam body transferring not cutting between box beam end and pier stud；
2), main outrigger is installed, main outrigger is anchored on pier stud, main outrigger is installed continuous jack；
3), installing hoist cable, by hoist cable upper end through main outrigger and by itself and the continuous jack on main outrigger, lower end extends to the lower section transferring box beam；
4), shoulder pole girder is installed, the two ends of shoulder pole girder is separately fixed on two hoist cables, drive continuous jack tensioning hoist cable, make the weight transferring box beam transfer on shoulder pole girder；
5), examination carry, drive continuous jack to transfer the first suspension centre power of box beam weight carry out examination and carry transferring box beam to exceed, after examination has carried, put in advance with the second suspension centre power lower than examination lifting point power and put box beam；
6), cut and transfer box beam, use cutting machine to transfer box beam in the two ends symmetry slowly cutting transferring box beam；
7), transfer box beam, slowly regulate hoist cable by controlling continuous jack, steadily transfer box beam to ground.
Further described the first suspension centre power in step 5 is 1.1～1.2 times that transfer box beam weight.
Further described in step 5 the second suspension centre power is the first suspension centre power 90～95%.
The present invention adopts the continuous jack that Lifting Capacity is big to carry out lifting and transfers, greatly reduce concrete cutting area, can effectively reduce dismounting cost, there is the features such as safely controllable, good operability, application prospect are good, it is not only suitable for the dismounting of straight line beam bridge, is also adapted to the dismounting of curve bridge.
Accompanying drawing explanation
Fig. 1: the front view of the present invention；
Fig. 2: the top view of the present invention；
Fig. 3: the continuous jack of the present invention and hoist cable attachment structure schematic diagram；
Fig. 4: hoist cable of the present invention and shoulder pole girder attachment structure schematic diagram；
Fig. 5: the levelling device structural representation of the present invention；
A-A view in Fig. 6: Fig. 5；
B-B view in Fig. 7: Fig. 5；
Fig. 8: the shoulder pole girder structural representation of the present invention；
Wherein: 1 pier stud；2 transfer box beam；3 control units；4 support brackets；5 main outriggers；6 hoist cables；7 continuous jacks；8 shoulder pole girders；9 hydraulic power units；10 displacement transducers；11 pressure anchor beams；Jack on 12；13 times jack；14 first rope holes；15 top boards；16 base plates；17 gripper shoes；18 second rope holes.
Detailed description of the invention
As shown in Fig. 1～8, whole based on bridge floor support transfers dismounting system across box beam, uses pier stud 1 as stress bearing, using pier stud 1 as the strong point transferring box beam 2, completes the dismounting of whole large heavy girder.Wherein, encorbelmenting counter force system including being symmetricly set in two sets transferring box beam 2 two ends, counter force system of encorbelmenting includes two main outriggers 5 and hoist cable 6.
As shown in Figure 2, two main outriggers 5 are horizontally disposed, in mutual level or " eight " word arrangement, wherein close one end is anchored on pier stud 1, main outrigger 5 end is connected to steel wire rope, and steel wire penetrating box beam is connected with the fixed structure on pier stud 1, and the fixed structure on pier stud 1 is connected with pier stud 1 by bolt or other modes, form stable anchor structure, to support main outrigger 5.
The upper end of two main outriggers 5 is provided with pressure anchor beam 11, and pressure anchor beam 11 is pressed on two main outriggers 5, and lower end is anchored on pier stud 1 by anchor structure, forms stable cantilevered structure with main outrigger 5.
Main outrigger 5 opens and is connected to hoist cable 6 on one end, two hoist cables 6 are arranged in parallel, lay respectively at the both sides transferring box beam 2, main outrigger 5 is provided with continuous jack 7, as it is shown on figure 3, continuous jack 7 includes two jack being cascaded, it is fixed on the lower jack 13 of main outrigger 5 end and the upper jack 12 being arranged on lower jack 13, the two jack is punching jack, and hoist cable 6 is through two jack and replaces with it anchor connection.Specifically used method is: upper jack 12 is risen to range, hoist cable 6 is fixed on upper jack 12 by structures such as anchor plates, upper jack 12 declines, hoist cable 6 is along with decline, lower jack 13 is risen to range, is anchored at by hoist cable 6 on lower jack 13 and upper jack 12 tows out after putting in place by the decline of upper jack 12, falling down jack 13 again, hoist cable 6 declines therewith.Alternate run, completes the decline process of hoist cable 6.
As shown in Figure 4, the lower end of hoist cable 6 is connected with shoulder pole girder 8, and shoulder pole girder 8 is positioned at the lower section transferring box beam 2.The two ends of shoulder pole girder 8 are respectively arranged with two the first rope holes 14, and the first rope hole 14 is the length Long Circle through hole more than hoist cable 6 diameter of direction across bridge, and hoist cable 6 can be fixed on shoulder pole girder 8 along what direction across bridge regulated through the first rope hole 14.
Shoulder pole girder 8 is arranged below levelling device, it is ensured that the hoist cable 6 at shoulder pole girder 8 two ends is in same plane.Levelling device 8 includes the top board 15 being fitted in shoulder pole girder 8 lower surface and the base plate 16 being connected with top 15, between top board 15 with base plate 16, the gripper shoe 17 by tilting is connected, top board 15 and base plate 16 form the supporting construction with slanted angle, top board 15 and base plate 16 is provided with through both open the length arranged in direction Long Circle the second rope hole 18 more than hoist cable 6 diameter along angle.Hoist cable 6, through the second rope hole 18, regulates the height of hoist cable 6 lower end, it is ensured that hoist cable 6 lower end of both sides is in same plane, it is ensured that stress equalization by shift position.
Transfer dynamical system and include continuous jack 7 and hydraulic power unit 9, by control unit control continuous jack 7 bounce back slowly lower section hoist cable 6 complete transferring of box beam.Need to control module (such as PLC, PFC) control unit 3 before below hoist cable 6 to control hydraulic power unit 9 and promote continuous jack 7 slowly tensioning hoist cable 6, make hoist cable 6 and shoulder pole girder 8 pocket hang and to be cut transfer box beam 2.
Control module (such as PLC, PFC) control unit 3 and connect displacement transducer 10, displacement transducer 10 informs control module (such as PLC, PFC) control unit 3 by transferring the degree that box beam 2 transfers, and controls module (such as PLC, PFC) control unit 3 and controls hydraulic power unit 9 and drive hydraulic jack 7 to regulate hoist cable 6.
In order to ensure the safety of workmen, main outrigger 5 is additionally provided with safety device.Ensure workmen's safety when installing the device such as hoist cable 6, jack 7.
Additionally, when box beam starts to remove, owing to the beam body on the pier stud 1 at box beam two ends also exists, therefore in demolishing process, ensure that the stress balance of pier stud 1, but when the box beam of the side of pier stud 1 is removed, it is contemplated that the stress of pier stud 1, it is necessary to the beam body lower surface below main outrigger 5 arranges support bracket 4, ensure that main outrigger 5 is when bearing the weight transferring box beam 2, the stable equilibrium of pier stud 1.
Support bracket 4 is positioned at the lower surface of box beam, is between hoist cable 6 and contiguous pier stud 1, supports main outrigger 5.
Concrete Demolition Construction method is: 1, build support bracket 4, builds support bracket 4 below the beam body transferred between box beam 2 end and pier stud 1, and support bracket 4 need not be set up when both sides box beam all exists；
2, installing main outrigger 5, be anchored on pier stud 1 by main outrigger 5, install continuous jack 7 and hydraulic power system on main outrigger 5, hydraulic power system is for controlling the operation of continuous jack 7, and it is connected with controlling main frame；
3, hoist cable 6 is installed, by the main outrigger 5 of hoist cable 6 upper end traverse, main outrigger 5 can arrange the guider of pulley one class, avoid hoist cable 6 directly with the isoelectric membrane on main outrigger 5 to be cut off, the upper end of hoist cable 6 is fixing with the continuous jack 7 on main outrigger 5 to be connected, and lower end extends to the lower section transferring box beam 2；
4, shoulder pole girder 8 is installed, shoulder pole girder 8 is positioned at the lower section transferring box beam 2, the two ends of shoulder pole girder 8 are separately fixed on two hoist cables 6, form pocket device for hoisting, drive continuous jack 7 slowly tensioning hoist cable 6, making the weight transferring box beam 2 transfer on shoulder pole girder 8, the lower surface of box beam 2 is transferred in the upper surface laminating of shoulder pole girder 8；
5, examination carries, continuous jack 7 is driven to transfer the first suspension centre power of box beam 2 weight carry out examination and carry transferring box beam 2 to exceed, after examination has carried, putting in advance put box beam 2 with the second suspension centre power lower than examination lifting point power, the main purpose that examination carries is that system is encorbelmented in detection and whether dynamical system can bear the weight of box beam；
6, box beam 2 is transferred in cutting, uses cutting machine to transfer box beam 2 in the two ends symmetry slowly cutting transferring box beam 2；
7, transfer box beam 2, slowly regulate hoist cable 6 by controlling continuous jack 7, steadily transfer box beam 2 to ground.
In demolishing process, the first suspension centre power is 1.1～1.2 times that transfer box beam 2 weight, and the second suspension centre power is the 90～95% of the first suspension centre power.
The present invention adopts the continuous jack that Lifting Capacity is big to carry out lifting and transfers, greatly reduce concrete cutting area, can effectively reduce dismounting cost, there is the features such as safely controllable, good operability, application prospect are good, it is not only suitable for the dismounting of straight line beam bridge, is also adapted to the dismounting of curve bridge.
Claims (9)
1. transfer dismounting system based on the whole of bridge floor support across box beam for one kind, it is characterised in that: include the pier stud (1) transferring box beam (2) two ends and the counter force system of encorbelmenting being arranged on pier stud (1)；Described counter force system of encorbelmenting includes main outrigger (5) and hoist cable (6)；Described main outrigger (5) one end is anchored on pier stud (1), and the other end is suspended in pier stud (1) outward, forms, with pier stud (1), supporting construction of encorbelmenting, and main outrigger (5) end is provided with transfers dynamical system；Described hoist cable (6) one end is connected with transferring dynamical system, and the other end is connected to pocket and hangs the pocket device for hoisting transferring box beam (2)；
Described dynamical system of transferring includes being fixed on the continuous jack (7) of main outrigger (5) end；Described continuous jack includes the lower jack (13) being fixed on main outrigger (5) end and the upper jack (12) being fixed on lower jack (13) upper end；Described hoist cable (6) end sequentially passes through lower jack (13) and upper jack (12) anchor connection with it.
2. a kind of as claimed in claim 1 whole transfer dismounting system across box beam based on what bridge floor supported, it is characterized in that: the described main outrigger (5) encorbelmented on counter force system has two, two main outriggers (5) are arranged in " eight " word arrangement, and one end that spacing distance is little is anchored on pier stud (1).
3. a kind of as claimed in claim 2 whole transfer dismounting system across box beam based on what bridge floor supported, it is characterised in that: two described main outrigger (5) upper ends are provided with the pressure anchor beam (11) of direction across bridge；Described pressure anchor beam (11) is anchored on pier stud (1).
4. a kind of as claimed in claim 1 whole transfer dismounting system across box beam based on what bridge floor supported, it is characterised in that: described pocket device for hoisting includes shoulder pole girder (8) and is arranged at the levelling device of shoulder pole girder (8) lower surface；Described shoulder pole girder (8) two ends are provided with the first rope hole (14) of hoist cable traverse, first rope hole (14) is the length Long Circle through hole more than hoist cable (6) diameter, and hoist cable (6) lower end hangs structure through the first rope hole and levelling device with shoulder pole girder (8) formation pocket.
5. a kind of as claimed in claim 4 whole transfer dismounting system across box beam based on what bridge floor supported, it is characterised in that: described levelling device includes the top board (15) being fitted in shoulder pole girder (8) lower surface and the base plate (16) being connected with top board (15)；Between described top board (15) and base plate (16), the gripper shoe (17) by tilting is connected, top board (15) and base plate (16) form the supporting construction with slanted angle, top board (15) and be provided with both length Long Circle the second rope hole (18) more than hoist cable (6) diameter opening direction layout along angle through on base plate (16).
6. a kind of as claimed in claim 1 whole transfer dismounting system across box beam based on what bridge floor supported, it is characterised in that: also include being arranged at being used between pier stud (1) and hoist cable (6) and support the support bracket (4) not cutting beam body below main outrigger (5).
7. the whole construction method transferring dismounting system across box beam that any as described in claim 1～6 supports based on bridge floor, it is characterised in that: comprise the following steps:
1), build support bracket (4), build support bracket (4) below beam body transferring not cutting between box beam (2) end and pier stud (1)；
2), main outrigger (5) is installed, main outrigger (5) is anchored on pier stud (1), main outrigger (5) is installed continuous jack (7)；
3), installing hoist cable (6), through main outrigger (5) and be anchored on continuous jack (7) hoist cable (6) upper end, lower end extends to the lower section transferring box beam (2)；
4), shoulder pole girder (8) is installed, the two ends of shoulder pole girder (8) are separately fixed at the lower end of two hoist cables (6), drive continuous jack (7) tensioning hoist cable (6), make the weight transferring box beam (2) transfer on shoulder pole girder (8)；
5), examination carries, continuous jack (7) is driven to transfer the first suspension centre power of box beam (2) weight carry out examination and carry transferring box beam (2) to exceed, after examination has carried, put in advance with the second suspension centre power lower than examination lifting point power and put box beam (2)；
6), cut and transfer box beam (2), use cutting machine to transfer box beam (2) in the two ends symmetry slowly cutting transferring box beam (2)；
7), transfer box beam (2), slowly regulate hoist cable (6) by controlling continuous jack (7), steadily transfer box beam (2) to ground.
8. as claimed in claim 7 a kind of based on bridge floor support the whole construction method transferring dismounting system across box beam, it is characterised in that: described step 5) in the first suspension centre power be 1.1～1.2 times that transfer box beam (2) weight.
9. as claimed in claim 7 a kind of based on bridge floor support the whole construction method transferring dismounting system across box beam, it is characterised in that: described step 5) in the second suspension centre power is the first suspension centre power 90～95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042199.9A CN104652298B (en) | 2015-01-28 | 2015-01-28 | A kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042199.9A CN104652298B (en) | 2015-01-28 | 2015-01-28 | A kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104652298A CN104652298A (en) | 2015-05-27 |
| CN104652298B true CN104652298B (en) | 2016-07-06 |
Family
ID=53243894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042199.9A Active CN104652298B (en) | 2015-01-28 | 2015-01-28 | A kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104652298B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963301B (en) * | 2015-06-30 | 2017-11-17 | 武汉二航路桥特种工程有限责任公司 | The dilatory translation downward putting device and method removed for pier top beam section and bridge pier |
| CN106337372A (en) * | 2016-08-29 | 2017-01-18 | 武汉二航路桥特种工程有限责任公司 | System safety control method for cutting and removing concrete bridge |
| CN106758887A (en) * | 2016-11-25 | 2017-05-31 | 武汉二航路桥特种工程有限责任公司 | The whole bridge decentralization method for dismounting of continuous bridge |
| CN110747761B (en) * | 2019-10-21 | 2021-03-23 | 宁波市政工程建设集团股份有限公司 | Dismantling construction method for temporary supporting system of small box girder type hidden cover beam prefabricated on road and bridge |
| CN211818248U (en) * | 2019-12-19 | 2020-10-30 | 中建科工集团有限公司 | Auxiliary supporting mechanism |
| CN111549688A (en) * | 2020-04-29 | 2020-08-18 | 贵州省公路工程集团有限公司 | Static lifting device for whole-span dismantling of continuous bridge body and construction method |
| CN111597614B (en) * | 2020-05-13 | 2022-09-16 | 广西交科集团有限公司 | Bridge deck displacement control method for replacing arch bridge suspender based on actual measurement displacement correction |
| CN112199764B (en) * | 2020-11-02 | 2022-06-17 | 合肥市市政设计研究总院有限公司 | Computer analysis method for single-tower single-cable-plane cable-stayed bridge dismantling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2712015B2 (en) * | 1995-11-17 | 1998-02-10 | 株式会社富士ピー・エス | Removal method and device for floor slab |
| CN200992687Y (en) * | 2006-12-30 | 2007-12-19 | 中交第二公路工程局有限公司 | Slingdevice for suspension bridge steel box beam mounting |
| CN101265690B (en) * | 2007-10-08 | 2012-03-14 | 中铁四局集团有限公司 | Method for dismantling arch bridge for protection |
| CN101644033A (en) * | 2009-08-26 | 2010-02-10 | 江苏省交通科学研究院股份有限公司 | Method for monitoring construction of channel bridge demolition |
| CN204023426U (en) * | 2014-08-11 | 2014-12-17 | 浙江兴土桥梁专用装备制造有限公司 | A kind of bridge is removed equipment |
-
2015
- 2015-01-28 CN CN201510042199.9A patent/CN104652298B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104652298A (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104652298B (en) | A kind of whole dismounting system and construction method thereof transferred across box beam supported based on bridge floor | |
| CN104727236B (en) | A kind of whole bridge beam based on ground supports transfers the construction method of dismounting system | |
| CN104963301B (en) | The dilatory translation downward putting device and method removed for pier top beam section and bridge pier | |
| CN106978784B (en) | A kind of Long span highway suspension bridge Demolition Construction method | |
| CN106012852B (en) | Support integrally falls frame construction method | |
| CN103043526A (en) | Integral hoisting device and method for super-long steel reinforcement cage of underground continuous wall | |
| CN101284628B (en) | Hoisting method for framework of large tonnage pressing machine | |
| CN201635020U (en) | Bridge floor dismantling crane for large and medium concrete bridges | |
| CN109081247A (en) | A kind of hanging method of vestibule large-span steel girder | |
| CN111021749A (en) | Simple hoisting mechanism for bare concrete exterior wall cladding and construction method thereof | |
| CN102635225A (en) | Equipment hoisting platform and method for super high-rise buildings | |
| CN205387439U (en) | Mast hoisting accessory | |
| CN105019664A (en) | High-altitude slipping installation method for compartment-type electric room | |
| CN203159089U (en) | Telescopic lifting platform for tower crane in cylinder wall construction | |
| CN209873584U (en) | Hang basket template and demolish device | |
| CN108675170A (en) | Roofing monorail crane and its construction method | |
| CN101264845A (en) | Crown block high altitude integrated suspension transposition construction method | |
| CN205241086U (en) | Template hoist and mount and ann gun carriage of disassembling and using | |
| CN105155427A (en) | Construction method for laying suspension bridge catwalk | |
| CN102849626A (en) | Indoor non-standard crane installation method | |
| CN111411624B (en) | Hoisting method for reinforcement cage of underground continuous wall in height-limited area | |
| CN206289544U (en) | A kind of simple electric nacelle device | |
| CN202023149U (en) | Hanging basket used in construction | |
| CN211691536U (en) | Simple lifting mechanism for bare concrete exterior wall cladding | |
| CN106121254A (en) | Heavy component transportation system and construction method after a kind of contrary sequence method dismounting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 2101-2104, 21 / F, unit a, block a, Hubei science and technology venture building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province, 430061 Patentee after: CCCC Road & Bridge Special Engineering Co.,Ltd. Address before: 430071 20 / F, Dongsha building, 122 Zhongbei Road, Wuchang District, Wuhan City, Hubei Province Patentee before: CCCC ROAD & BRIDGE SPECIAL ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address |